public void LegendItemDataPointHasDataContextSet()
{
Chart chart = new Chart();
PieSeries series = DefaultControlToTest as PieSeries;
series.DependentValueBinding = new Binding("Value");
series.IndependentValueBinding = new Binding("Value");
NotifyingDataObject <int> notifyingDataObjectA = new NotifyingDataObject <int> {
Value = 5
};
NotifyingDataObject <int> notifyingDataObjectB = new NotifyingDataObject <int> {
Value = 7
};
NotifyingDataObject <int>[] notifyingDataObjects = new NotifyingDataObject <int>[] { notifyingDataObjectA, notifyingDataObjectB };
series.ItemsSource = notifyingDataObjects;
chart.Series.Add(series);
TestAsync(
chart,
() =>
{
LegendItem[] legendItems = ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>().ToArray();
Assert.AreEqual(notifyingDataObjects.Length, legendItems.Length);
for (int i = 0; i < notifyingDataObjects.Length; i++)
{
PieDataPoint legendItemDataPoint = legendItems[i].DataContext as PieDataPoint;
Assert.IsNotNull(legendItemDataPoint);
Assert.AreEqual(notifyingDataObjects[i], legendItemDataPoint.DataContext);
}
});
}
public void LegendContentUpdatesImmediately()
{
Chart chart = new Chart();
PieSeries series = DefaultControlToTest as PieSeries;
series.DependentValueBinding = new Binding("Value");
series.IndependentValueBinding = new Binding("Value");
NotifyingDataObject <int> notifyingDataObject = new NotifyingDataObject <int> {
Value = 5
};
series.ItemsSource = new NotifyingDataObject <int>[] { notifyingDataObject };
chart.Series.Add(series);
TestAsync(
chart,
() =>
{
LegendItem legendItem = ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>().First();
Assert.AreEqual(5, legendItem.Content);
},
() => notifyingDataObject.Value = 10,
() =>
{
LegendItem legendItem = ChartTestUtilities.GetLegend(chart).Items.OfType <LegendItem>().First();
Assert.AreEqual(10, legendItem.Content);
});
}
public void ChangeIndependentDateTimeValue()
{
Chart chart = new Chart();
AreaSeries series = (AreaSeries)DefaultControlToTest;
series.DependentValueBinding = new Binding("Value.Day");
series.IndependentValueBinding = new Binding("Value");
var dataObject = new NotifyingDataObject <DateTime> {
Value = new DateTime(2009, 1, 10)
};
NotifyingDataObject <DateTime>[] itemsSource = new NotifyingDataObject <DateTime>[] { dataObject };
series.ItemsSource = itemsSource;
chart.Series.Add(series);
TestAsync(
chart,
() => Assert.AreEqual(1, ChartTestUtilities.GetDataPointsForSeries(series).Count),
() => dataObject.Value = dataObject.Value.AddDays(1),
() => Assert.AreEqual(1, ChartTestUtilities.GetDataPointsForSeries(series).Count));
}
public void ItemsSourceWithCustomObjects()
{
Chart chart = new Chart();
DataPointSeries series = DefaultSeriesToTest;
ObservableCollection <DataObject <int> > itemsSource = new ObservableCollection <DataObject <int> >();
NotifyingDataObject <int> notifyingDataObject = new NotifyingDataObject <int> {
Value = 5
};
itemsSource.Add(notifyingDataObject);
itemsSource.Add(new DataObject <int> {
Value = 3
});
series.ItemsSource = itemsSource;
series.DependentValueBinding = new Binding("Value");
series.IndependentValueBinding = new Binding("Value");
TestAsync(
chart,
() => chart.Series.Add(series),
() => notifyingDataObject.Value++,
() => itemsSource.RemoveAt(0));
}
